#81D2DB
Closest named color: Sky Blue (#87CEEB). oklch(81.5% 0.08 204.8), rgb(129, 210, 219).
Aa
Black text reads best on this color (12.17:1).
About this color
#81D2DB is a light, moderately saturated teal or cyan. In OKLCH its lightness is 82%, its chroma 0.080 and its hue 205°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.030 away. Black text reads best on it, at 12.17:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 12.17:1 |
| White text | 1.72:1 |
Values
| HEX | #81D2DB |
| RGB | rgb(129, 210, 219) |
| HSL | hsl(186, 56%, 68%) |
| OKLCH | oklch(81.5% 0.08 204.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #81D2DB | 1.72:1 | Fails | Lc -34.9 | Non-text elements, placeholder text |
| Black text on #81D2DB | 12.17:1 | AAA | Lc 72.8 | Content text, not long reading |
| #81D2DB text on white | 1.72:1 | Fails | Lc 31.0 | Non-text elements, placeholder text |
| #81D2DB text on black | 12.17:1 | AAA | Lc -71.7 | Content text, not long reading |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 300.
-
Step 50
50
#EEF8F9
oklch(97.2% 0.011 204.1)
-
Step 100
100
#D9EFF1
oklch(93.7% 0.023 203.4)
-
Step 200
200
#B8E2E7
oklch(88.5% 0.044 205.3)
-
Step 300
300 (this color)
#81D2DB
oklch(81.5% 0.08 204.8)
-
Step 400
400
#00B6C4
oklch(70.8% 0.121 204.6)
-
Step 500
500
#009CA8
oklch(63.2% 0.108 204.4)
-
Step 600
600
#00838D
oklch(55.6% 0.095 204.2)
-
Step 700
700
#006E77
oklch(49.1% 0.084 204.7)
-
Step 800
800
#005A62
oklch(42.7% 0.073 205.3)
-
Step 900
900
#004B52
oklch(37.7% 0.064 205.5)
-
Step 950
950
#002D31
oklch(27.1% 0.046 204.1)
#81D2DB with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #C6CCDC | 0.079 |
| Deuteranopia (no green cones) | #B7C0DB | 0.074 |
| Tritanopia (no blue cones) | #59D8D5 | 0.037 |
| Achromatopsia (no color) | #C5C5C5 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81D2DB
#81D2DB
oklch(81.5% 0.08 204.8)
- #F2AFA9
#F2AFA9
oklch(81.5% 0.08 24.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #81D2DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.030
- Tiffany Blue #94D2BD ΔE 0.044
- Celeste #A8DADC ΔE 0.049
- Light Cornflower Blue #98C1D9 ΔE 0.049
- Light Sky Blue #87CEFA ΔE 0.050
- Medium Turquoise #48D1CC ΔE 0.051
- Light Blue #ADD8E6 ΔE 0.054
- Seafoam Blue #78D1B6 ΔE 0.054
Use #81D2DB in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.